Ipratropium bromide monohydrate
Ipratropium bromide monohydrate (CAS: 66985-17-9) is a white powder with a molecular weight of 430.38 g/mol. This compound is a anticholinergic agent and a synthetic quaternary ammonium derivative of atropine. It functions as a bronchodilator, primarily used in the management of chronic obstructive pulmonary disease (COPD) and asthma. It acts by blocking muscarinic acetylcholine receptors in the airways, leading to smooth muscle relaxation and improved airflow. This chemical is also explored in cell biology research for its roles in neurotransmission.
- IUPAC
- Atropine isopropyl bromide
- Synonyms
- Atropine isopropyl bromide

Respiratory Disease Management
Ipratropium bromide monohydrate is a key therapeutic agent for managing respiratory conditions such as chronic obstructive pulmonary disease (COPD) and asthma. It acts as a bronchodilator by inhibiting muscarinic acetylcholine receptors in the airways, thus reducing bronchoconstriction and improving airflow.
Pharmacological Research
As a selective muscarinic antagonist, this compound is valuable in pharmacological research to study cholinergic pathways and neurotransmission. Its role in cell signaling makes it a subject of interest in neuroscience and cell biology investigations.
Drug Discovery and Development
The compound serves as a reference standard and research tool in the discovery and development of new pharmaceutical agents. Its well-defined mechanism of action aids in understanding drug interactions and developing novel therapeutics targeting the cholinergic system.
| Molecular weight | 430.38 |
|---|---|
| Empirical formula | C20H30BrNO3 · H2O |
| Assay | ≥98% (TLC) |
| Form | powder |
| Colour | white |
| Solubility | H2O: soluble10 mg/mL |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
- H332Harmful if inhaled
Precautionary statements
- P305IF IN EYES
| Hazard codes (EU) | Xn |
|---|---|
| Risk statements (R) | 20/22-36 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... CHRM1(1128), CHRM2(1129), CHRM3(1131), CHRM4(1132), CHRM5(1133) |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Ipratropium bromide monohydrate used for?
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Ipratropium bromide monohydrate is primarily used as a bronchodilator for managing respiratory conditions like COPD and asthma. It is also utilized in pharmacological and neuroscience research to study cholinergic systems and neurotransmission.
What are the CAS number and formula for Ipratropium bromide monohydrate?
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The CAS number is 66985-17-9, and the empirical formula is C20H30BrNO3 · H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ipratropium bromide monohydrate with an assay of ≥98% (TLC). We do not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for Ipratropium bromide monohydrate?
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This compound is classified as harmful if swallowed and inhaled, and causes serious eye irritation. Handle with appropriate personal protective equipment in a well-ventilated area. Refer to the safety data sheet for comprehensive handling instructions. P305 + P351 + P338.
How is Ipratropium bromide monohydrate packed and shipped?
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Ipratropium bromide monohydrate is carefully packed in suitable containers for secure transport. As a global supplier and exporter, Tech Serve Solutions ensures compliance with all relevant shipping regulations for chemical products.
How can I request a sample or quote for Ipratropium bromide monohydrate?
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To request a sample or a quote, please contact our sales team through the website or by phone. Provide the product name and CAS number (66985-17-9) for prompt service.
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